Introduce release workflow (#5)

.github/workflows/release.yml

@@ -0,0 +1,47 @@
+name: zont_api release
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - "v*.*.*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+      - name: Install tox
+        run: pip install tox
+      - name: Run linters
+        run: make lint
+      - name: Run tests
+        run: make show-env test
+      - name: Build package
+        run: make build
+      - name: Create release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            dist/*.tar.gz
+            dist/*.whl
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Login to container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Push images
+        run: make images
+

Makefile

@@ -10,6 +10,10 @@ VERSION := $(shell git describe --tags --always --match='v[0-9]*' | cut -d '-' -
 RELEASE := $(shell git describe --tags --always --match='v[0-9]*' --long | cut -d '-' -f 2)
 BUILD := $(shell git describe --tags --long --always --dirty)-$(DATE)-$(GITHUB_RUN_ID)
 
+IMAGE_TAG := zont_prom_exporter
+IMAGE_PATH := defanator
+IMAGE_REGISTRY := ghcr.io
+
 define __VERSION_CONTENT__
 """
 Dynamic version info
@@ -73,6 +77,14 @@ image: build ## Build container image with zont_prom_exporter
 		-t zont_prom_exporter:$(VERSION) \
 		$(TOPDIR)
 
+images: build ## Build multi-arch container images with zont_prom_exporter
+	docker buildx build --push \
+		--platform linux/arm64,linux/amd64 \
+		-f $(TOPDIR)/examples/zont_prom_exporter/Dockerfile \
+		--build-arg ZONT_API_VERSION=$(VERSION) \
+		-t $(IMAGE_REGISTRY)/$(IMAGE_PATH)/$(IMAGE_TAG):$(VERSION) \
+		$(TOPDIR)
+
 clean: ## Clean up
 	find $(TOPDIR)/ -type f -name "*.pyc" -delete
 	find $(TOPDIR)/ -type f -name "*.pyo" -delete